sounddevice_sample.py

#!/usr/bin/env python2
# -*- coding: utf-8 -*-

import sys
from psychopy import  visual, core,  parallel
from psychopy.constants import *  # things like STARTED, FINISHED
import numpy as np  # whole numpy lib is available, prepend 'np.'
import os  # handy system and path functions
from scipy import fromstring, int16
import wave
import sounddevice as sd
path_wav = './click2sec.wav'

wr = wave.open(path_wav, 'rb')
s_data = wr.readframes(wr.getnframes())
s_numdata = fromstring(s_data, dtype=int16)
mysnd = s_numdata[2205:] # skip the blank sound
sd.default.samplerate = 44100
wasapi_exclusive = sd.WasapiSettings(exclusive=True)
p_port = parallel.ParallelPort(address=u'0x0378')
trialClock = core.Clock()

'''
In [5]: sd.query_devices()
Out[5]:
   0 Microsoft サウンド マッパー - Input, MME (2 in, 0 out)
   1 リア入力ジャック (SoundMAX Inte, MME (2 in, 0 out)
   2 マイク (SoundMAX Integrated Dig, MME (2 in, 0 out)
   3 Microsoft サウンド マッパー - Output, MME (0 in, 2 out)
   4 デジタル オーディオ (S/PDIF) (2, MME (0 in, 2 out)
   5 スピーカー (SoundMAX Integrated, MME (0 in, 2 out)
   6 スピーカー (2- HD Audio PCI-e A, MME (0 in, 2 out)
   7 プライマリ サウンド キャプチャ ドライバー, Windows DirectSound (2 in, 0 out)
   8 リア入力ジャック (SoundMAX Integrated Digital High Definition Audio), Windows DirectSound (2 in, 0 out)
   9 マイク (SoundMAX Integrated Digital High Definition Audio), Windows DirectSound (2 in, 0 out)
  10 プライマリ サウンド ドライバー, Windows DirectSound (0 in, 2 out)
  11 デジタル オーディオ (S/PDIF) (2- HD Audio PCI-e Audio Device), Windows DirectSound (0 in, 2 out)
  12 スピーカー (SoundMAX Integrated Digital High Definition Audio), Windows DirectSound (0 in, 2 out)
  13 スピーカー (2- HD Audio PCI-e Audio Device), Windows DirectSound (0 in, 2 out)
* 14 HD Audio PCI-e Audio Device, ASIO (0 in, 2 out)
  15 スピーカー (SoundMAX Integrated Digital High Definition Audio), Windows WASAPI (0 in, 2 out)
  16 デジタル オーディオ (S/PDIF) (2- HD Audio PCI-e Audio Device), Windows WASAPI (0 in, 2 out)
  17 スピーカー (2- HD Audio PCI-e Audio Device), Windows WASAPI (0 in, 2 out)
  18 リア入力ジャック (SoundMAX Integrated Digital High Definition Audio), Windows WASAPI (2 in, 0 out)
  19 マイク (SoundMAX Integrated Digital High Definition Audio), Windows WASAPI (2 in, 0 out)
  20 マイク (SoundMAX HD Audio I), Windows WDM-KS (2 in, 0 out)
  21 リア入力ジャック (SoundMAX HD Audio I), Windows WDM-KS (2 in, 0 out)
  22 Speakers (SoundMAX HD Audio O), Windows WDM-KS (0 in, 2 out)
  23 Speakers (HD Audio Speaker), Windows WDM-KS (0 in, 2 out)
  24 SPDIF Out (HD Audio SPDIF out), Windows WDM-KS (0 in, 2 out)
  '''
  
sd.default.device = [20,23] #[1,6] mme, [18,17] wasapi [20,23]wdm-ks [14,14]  

# Remove comment when open a window
# win = visual.Window(size=(1024, 768), fullscr=False, screen=0, allowGUI=False, allowStencil=False,
    # monitor='testMonitor', color=[0,0,0], colorSpace='rgb',
    # blendMode='avg', useFBO=True,
    # )

for ii in np.arange(50):
    t = 0
    trialClock.reset()  # clock 
    continueRoutine = True
    p_port.status = NOT_STARTED
    while continueRoutine:
        t = trialClock.getTime()
        if t>=1.0 and p_port.status == NOT_STARTED:
            p_port.setData(int(1))
            sd.play(mysnd)
            # sd.play(mysnd, extra_settings=wasapi_exclusive) # wasapi exclusive mode
            p_port.status = STARTED
        
        if t>=1.1 and p_port.status == STARTED:
            p_port.setData(int(0))
            p_port.status = STOPPED
            
        if t>=4.0:
            continueRoutine = False

# win.close()